There are two positive numbers in the ratio 5:8. If the larger number exceeds the smaller by 15, then find the smaller number?
A). 25
B). 30
C). 20
D). 35
if (x + y)/(2x + y) = 4/5, then find (2x + y)/(3x + y) ?
A). 4/5
B). 5/6
C). 6/7
D). 3/4
If a:b = 4:1, then find (a - 3b)/(2a - b)?
A). 2/7
B). 1/7
C). 3/7
D). 5/7
A contractor undertakes to complete the construction of a tunnel 720 meters long in 240 days and employs 60 men for the purpose. After 120 days, he finds that only 240 meters of the tunnel is complete
A). 70 men
B). 60 men
C). 55 men
D). 80 men
10 camels cost as much as 24 horses, 16 horses cost as much as 4 oxen and 6 oxen as much as 4 elephants. If the cost of 10 elephants is Rs.170000, find the cost of a camel?
A). Rs.5700
B). Rs.4500
C). Rs.6000
D). Rs.6800